<template>
   <div>
       <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>活动管理</el-breadcrumb-item>
            <el-breadcrumb-item>活动列表</el-breadcrumb-item>
        </el-breadcrumb>
        <el-card>
            <!-- 搜索 添加 -->
            <el-row :gutter="20">
                <el-col :span="6">
                    <el-input 
                    placeholder="请输入内容" 
                    v-model="queryInfo.query" 
                    clearable 
                    @clear="getUserList">
                        <el-button 
                            slot="append" 
                            icon="el-icon-search" 
                            @click="getUserList">
                        </el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary"   
                    @click="hanldadd">
                        添加用户
                    </el-button>
                </el-col>
            </el-row>
            <!-- 用户列表区域 -->
            <el-table :data="userList" border stripe>
                <el-table-column type="index" label="#"></el-table-column>
                <el-table-column prop="username" label="姓名"></el-table-column>
                <el-table-column prop="email" label="邮箱"></el-table-column>
                <el-table-column prop="mobile" label="电话"></el-table-column>
                <el-table-column prop="role_name" label="角色"></el-table-column>
                <el-table-column label="状态">
                    <template slot-scope="scope">
                        <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)"></el-switch>
                    </template>
                </el-table-column>
                <el-table-column label="操作">
                    <template slot-scope="scope">
                        <el-button
                        type="primary"
                        icon="el-icon-edit"
                        size="mini"
                        circle
                        @click="showEditDialog(scope.row)"
                        ></el-button>
                        <el-button
                        type="danger"
                        icon="el-icon-delete"
                        size="mini"
                        circle
                        @click="removeUserById(scope.row.id)"
                        ></el-button>
                        <el-tooltip
                        class="item"
                        effect="dark"
                        content="角色分配"
                        :enterable="false"
                        placement="top"
                        >
                            <el-button
                                type="warning"
                                icon="el-icon-setting"
                                size="mini"
                                circle
                                @click="showSetRole(scope.row)"
                            ></el-button>
                        </el-tooltip>
                    </template>
                </el-table-column>
            </el-table>
            <!-- 分页区域 -->
            <el-pagination
                @size-change="handleSizeChange"
                @current-change="handleCurrentChange"
                :current-page="queryInfo.pagenum"
                :page-sizes="[2, 5, 10, 15]"
                :page-size="queryInfo.pagesize"
                layout="total, sizes, prev, pager, next, jumper"
                :total="totle"
            ></el-pagination>
        </el-card>

        <!-- add and edit -->
        <el-dialog :title="userId ? '编辑用户信息' : '添加用户'" 
        :visible.sync="addDialogVisible" 
        width="50%" 
        @close="addDialogClosed"
        >
        <!-- 内容主体 -->
        <el-form
            :model="addUserForm"
            ref="addUserFormRef"
            :rules="addUserFormRules"
            label-width="100px"
        >
            <el-form-item label="用户名" prop="username">
            <el-input :disabled="userId ? true : false" v-model="addUserForm.username"></el-input>
            </el-form-item>
            <el-form-item v-if="!userId" label="密码" prop="password">
            <el-input v-model="addUserForm.password"></el-input>
            </el-form-item>
            <el-form-item label="邮箱" prop="email">
            <el-input v-model="addUserForm.email"></el-input>
            </el-form-item>
            <el-form-item label="手机" prop="mobile">
            <el-input v-model="addUserForm.mobile"></el-input>
            </el-form-item>
        </el-form>
        <span slot="footer" class="dialog-footer">
            <el-button @click="addDialogVisible = false">取 消</el-button>
            <el-button type="primary" @click="saveConfim">确 定</el-button>
        </span>
        </el-dialog>

        <!-- 分配角色对话框 -->
        <el-dialog title="分配角色" :visible.sync="setRoleDialogVisible" width="50%" @close="setRoleDialogClosed">
        <div>
            <p>当前用户：{{userInfo.username}}</p>
            <p>当前角色：{{userInfo.role_name}}</p>
            <p>
            分配角色：
            <el-select
                v-model="selectRoleId"
                filterable
                allow-create
                default-first-option
                placeholder="请选择文章标签"
            >
                <el-option
                v-for="item in rolesLsit"
                :key="item.id"
                :label="item.roleName"
                :value="item.id"
                ></el-option>
            </el-select>
            </p>
        </div>
        <span slot="footer" class="dialog-footer">
            <el-button @click="setRoleDialogVisible = false">取 消</el-button>
            <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
        </span>
        </el-dialog>
   </div>
</template>
<script>
export default {
    name: '',
    data() {
        // 自定义邮箱规则
        var checkEmail = (rule, value, callback) => {
            const regEmail = /^\w+@\w+(\.\w+)+$/
            if (regEmail.test(value)) {
                // 合法邮箱
                return callback()
            }
            callback(new Error('请输入合法邮箱'))
        }
        // 自定义手机号规则
        var checkMobile = (rule, value, callback) => {
            const regMobile = /^1[34578]\d{9}$/
            if (regMobile.test(value)) {
                return callback()
            }
            // 返回一个错误提示
            callback(new Error('请输入合法的手机号码'))
        }
       return {
            queryInfo: {
               query: '',
               pagenum: 1,  //页码
               pagesize: 2   //页条
            },
            userList: [],
            totle: 0,
            // 添加用户对话框
            addDialogVisible: false,
            userId:'',
            // 用户添加
            addUserForm: {
                username: '',
                password: '',
                email: '',
                mobile: ''
            },
            // 用户添加表单验证规则
            addUserFormRules: {
                username: [
                    { required: true, message: '请输入用户名', trigger: 'blur' },
                    {
                        min: 2,
                        max: 10,
                        message: '用户名的长度在2～10个字',
                        trigger: 'blur'
                    }
                ],
                password: [
                    { required: true, message: '请输入用户密码', trigger: 'blur' },
                    {
                        min: 6,
                        max: 18,
                        message: '用户密码的长度在6～18个字',
                        trigger: 'blur'
                    }
                ],
                email: [
                    { required: true, message: '请输入邮箱', trigger: 'blur' },
                    { validator: checkEmail, trigger: 'blur' }
                ],
                mobile: [
                    { required: true, message: '请输入手机号码', trigger: 'blur' },
                    { validator: checkMobile, trigger: 'blur' }
                ]
            },
            // 分配角色对话框
            setRoleDialogVisible: false,
            // 当前需要被分配角色的用户
            userInfo: {},
            // 所有角色数据列表
            rolesLsit: [],
            // 已选中的角色Id值
            selectRoleId: ''
       }
    },
    computed: {},
    created() {
        this.getUserList()
    },
    methods: {
        
        async getUserList() {
            const res = await this.$http.get('users', {
                params: this.queryInfo
            })
            console.log(res) 
            if(res.meta.status == 200) {
                this.userList = res.data.users;
                this.totle = res.data.total
            }
        },
        //点击新增
        hanldadd() {
            this.addDialogVisible = true;
            this.userId = '';
            this.$nextTick(() => {
                this.$refs.addUserFormRef.resetFields()
                this.addUserForm = {
                    username: '',
                    password: '',
                    email: '',
                    mobile: ''
                }
            })
        },
        async adduser(e) {
            const res = await this.$http.post('users', e)
            if(res.meta.status == 201) {
                this.$message.success(res.meta.msg);
                this.addDialogVisible = false;
                this.getUserList()
            }
        },
        //新增and编辑提交
        saveConfim() {
            this.$refs.addUserFormRef.validate(value => {
                if(value && !this.userId) { //新增
                    this.adduser(this.addUserForm)
                }else if(value && this.userId) {  //编辑
                    this.uploadUser(this.addUserForm)
                }
            })
        },
        //关闭弹框清空
        addDialogClosed() {
            this.$refs.addUserFormRef.resetFields()
        },
        //点击编辑
        showEditDialog(e) {
            this.addDialogVisible = true;
            this.userId = e.id;
            this.addUserForm.username = e.username;
            this.addUserForm.email = e.email;
            this.addUserForm.mobile = e.mobile;
        },
        async uploadUser(e) {
            const res = await this.$http.put(
                `users/${this.userId}`, e
            )
            if(res.meta.status == 200) {
                this.$message.success(res.meta.msg)
                this.addDialogVisible = false;
                this.getUserList()
            }else {
                this.$message.error(res.meta.msg)
            }
        },
        // 状态改变
        async userStateChanged(e) {
            console.log(e)
            const res = await this.$http.put(
                // users/:uId/state/:type
                `users/${e.id}/state/${e.mg_state}`
            )
            if (res.meta.status !== 200) {
                userInfo.mg_state = !userInfo.mg_state
                this.$message.error('更新用户状态失败')
            }
            this.$message.success('更新用户状态成功！')
        },
        //删除
        async removeUserById(id) {
            const res = await this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
            }).catch(err => err)
            if(res !== 'confirm') return this.$message.info('已取消删除')
            const result = await this.$http.delete('users/' + id)
            if(result.meta.status == 200) {
                this.$message.success(result.meta.msg)
                this.getUserList()
            }else {
                this.$message.error(result.meta.msg)
            }
        },
        // 展示分配角色的对话框
        async showSetRole (role) {
            this.userInfo = role
            // 展示对话框之前，获取所有角色列表
            const res = await this.$http.get('roles')
            if (res.meta.status !== 200) {
               return this.$message.error('获取角色列表失败！')
            }
            this.rolesLsit = res.data
            this.setRoleDialogVisible = true
        },
        // 分配角色
        async saveRoleInfo () {
            if (!this.selectRoleId) {
                return this.$message.error('请选择要分配的角色')
            }
            const res = await this.$http.put(`users/${this.userInfo.id}/role`, { rid: this.selectRoleId })
            if (res.meta.status !== 200) {
                return this.$message.error('更新用户角色失败！')
            }
            this.$message.success('更新角色成功！')
            this.getUserList()
            this.setRoleDialogVisible = false
        },
        // 分配角色对话框关闭事件
        setRoleDialogClosed () {
            this.selectRoleId = ''
            this.userInfo = {}
        },
        // 监听 pagesize改变的事件
        handleSizeChange (newSize) {
        // console.log(newSize)
            this.queryInfo.pagesize = newSize
            this.getUserList()
        },
        // 监听 页码值 改变事件
        handleCurrentChange (newSize) {
         // console.log(newSize)
            this.queryInfo.pagenum = newSize
            this.getUserList()
        },
    },
}
</script>
<style>
</style>
